Home / 3,616.10-4,990-2,337.72

Finding the Fourth Proportional to 3,616.10, 4,990 and 2,337.72

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Solution

The fourth proportional to 3,616.10, 4,990 and 2,337.72 is: 3,225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.10 : 4,990 = 2,337.72 : x
  2. Step 2: Convert to fraction form
    3,616.10/4,990 = 2,337.72/x
  3. Step 3: Cross multiply
    3,616.10x = 4,990 × 2,337.72
  4. Step 4: Simplify right side
    3,616.10x = 11,665,222.80
  5. Step 5: Solve for x
    x = 11,665,222.80/3,616.10
  6. Step 6: Final answer
    x = 3,225.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.